Home / 54,016.82-81,033.32-18,950.30

Finding the Fourth Proportional to 54,016.82, 81,033.32 and 18,950.30

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Solution

The fourth proportional to 54,016.82, 81,033.32 and 18,950.30 is: 28,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,016.82 : 81,033.32 = 18,950.30 : x
  2. Step 2: Convert to fraction form
    54,016.82/81,033.32 = 18,950.30/x
  3. Step 3: Cross multiply
    54,016.82x = 81,033.32 × 18,950.30
  4. Step 4: Simplify right side
    54,016.82x = 1,535,605,724.00
  5. Step 5: Solve for x
    x = 1,535,605,724.00/54,016.82
  6. Step 6: Final answer
    x = 28,428.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.